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- FEM strength reduction theory 有限元强度折减理论
- Stability analysis of a reservoir slope with the method of FEM strength reduction 用有限元强度折减法对某岸坡进行稳定性分析
- FEM strength reduction method 有限元强度折减法
- shear strength reduction theory 强度折减理论
- Strength reduction theory 强度折减理论
- The strength reduction FEM, taking the run-through of plastic zone as unstability criterion, can obtain actual stress distribution and simulate the process of slope failure. 以塑性区贯通为失稳判据的强度折减有限元法,可以很好的求解真实的应力分布和模拟软土边坡破坏过程,是一种值得提倡的方法。
- The Duncan E - B model and the generalized Mises model as the ideal elastic - plasticity model are adopted, and the applicability that the soil constitutive relation for slope stability estimation by FEM with shear strength reduction will be discussed. 讨论了土体采用邓肯E-B模型和理想弹塑性的广义米塞斯模型时;强度折减有限元法分析土坡稳定的适应性.
- Stability method that based on the FE (Finite Element) stress analysis of slip surface and the shear strength reduction method are two principal methods of FEM slope stability analysis. 摘要基于滑面上应力分析法和强度折减法是边坡稳定有限元分析方法中两类主要的方法。
- Finally, the shear strength reduction technique is used to analyze the seismic stability of Nuo Zhadu core wall type rockfill Dam and Chang Heba core wall type rockfill Dam in FEM. 最后,采用有限元强度折减技术分析了糯扎渡心墙堆石坝及长河坝心墙堆石坝上下游坝坡的抗震稳定性。
- A novel approach to fault diagnosis in systems based on rough sets theory was presentod which can extract rules from crude data using reduction theory. 针对设备的各种故障 ,利用粗糙集优越的约简理论 ,对系统的量测数据进行诊断规则提取与简化 ,并通过对多个约简表关键信息的综合 ,形成一种混合策略的诊断规则。
- strength reduction method with FEM 有限元强度折减法
- This paper introduced first the basic concepts of rough sets theory,including rough sets knowledge representation methods and rough sets reduct theory. 首先描述了粗糙集理论的基本概念,包括粗糙集知识表示方法和粗糙集约简理论;
- This paper introduced first the basic concepts of rough sets theory, including rough sets knowledge representation methods and rough sets reduct theory. 摘要首先描述了粗糙集理论的基本概念,包括粗糙集知识表示方法和粗糙集约简理论;
- According to the MOV reduction theory,the identity-based encryption scheme which is based on the bilinear map will lose the high efficiency of elliptic curve. 根据MOV归约理论,采用双线性映射构造的基于身份加密方案使得该方案不具有椭圆曲线高效的优点。
- Dawson E M, Roth W H, Derscher A. Slope Stability Analysis by Strength Reduction[J]. Geotechnique,1999(6). 于学馥;郑颖人;等.;地下工程围岩稳定分析[M]
- The cross section area was decreased due to corrosion attack in decarburized region, resulting in the tensile strength reduction. 于已脱碳之后期反应,因腐蚀而引起的截面积减损量变,则为抗拉强度衰减之最主要作用因素。
- Because the heat exchange ratio of steel is much lower than that of aluminum alloys,HAZ only occurs for high strength steels with much smaller width and strength reduction. 而对于钢结构,由于其热导率比铝材小得多,因此只有高强钢才可能产生强度降低的热影响区,而且其强度的降低没有铝合金显著,热影响区宽度也比铝合金小得多。
- A interception probability reduction theory by means of comparing the RPPM with constant PRI pulse sequence is also analysised in this paper, further more the strong properties of ECCM of the RPPM is discussed and analysised. 此外,本文还介绍了随机脉位调制信号比较于等重复周期(PRI)脉冲信号来降低信号被截获概率的原理,讨论并分析了随机脉位调制脉冲多普勒雷达较强的抗干扰能力。
- A interception probability reduction theory by means of substituting randomly staggered pulse sequence for constant PRI pulse sequence is analysised to improve the existence capability of radar in ECM. 为了提高雷达在电子对抗中的生存能力,分析了随机脉位调制信号取代等重复周期(PRI)脉冲信号来降低信号被截获概率的原理。